#include<iostream>
#include<cstring>
using namespace std;
int main(){
    int n;
    cin >> n;
    int a[n][n];
    memset(a,0,sizeof(a));
    for(int i = 0 ; i < n ; i++){
        a[i][0] = 1;
        a[i][i] = 1;
    }
    for(int i = 2 ; i < n ; i++){
        for(int j = 1 ; j < i; j++){
            a[i][j] = a[i-1][j]+a[i-1][j-1];
        }
    }
    for(int i = 0 ; i < n ; i++){
        for(int j = 0 ; j <= i ; j++){
            cout << a[i][j] << " ";
        }
        cout << endl;
    }
}